Process of enriching earth.



UNITED STATES Patented March 21, 1905.

THOMAS C. JEFFRIES, OF COLUMBUS, OHIO.

PROCESS OF ENRICHING EARTH.

SPECIFICATION forming part of Letters Patent No. 785,495, dated March 21, 1905.

Application filed March 7, 1903. Serial No. 146,761.

riching said earth or soil as to give a largely increased nourishment to plants or other vegetation. v

In carrying out my invention I mix or mingle with the earth in the order named sulfuric acid, lime, and salt, the proportions, by Weight, of the ingredients being substantially as follows: earth, fifty-live per cent; commercial sulfuric acid, twenty-five per cent; finely-divided lime, fifteen per cent, and salt live per cent.

It has been determined that the mixture of the aforesaid ingredients results in such disintegration of the particles of earth as to release the plant or vegetation food contained therein and permit the same to act directly upon the roots of the growing plants or other vegetation.

What I claim, and desire to secure by Letters Patent, is

The herein-described process of enriching earth, consisting in combining With a quantity of earth, predetermined proportions of strong sulfuric acid, lime and salt, the several ingredients being brought together in the proportions of fifty-five per cent. earth, twenty-five per cent. sulfuric acid, fifteen per cent. lime and live per cent. salt,substantiall y as specified.

THOMAS C. JEFFRIES.

In presence of- A. L. PH LPs, W. L. MORROW. 

